Makes mpa.c work somewhat better in 64 bit sims, thought there's still another crash issue. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9199 a1c6a512-1295-4272-9138-f99709370657
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5955 a1c6a512-1295-4272-9138-f99709370657